Why is a transformer rated in KVA?

All electrical devices are rated based on the maximum power it can consume or generate or transfer. When few of them are rated in KW (kilowatts) or watts, few others…

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What is meant by stalling of motor?

Stalling is a condition at which a motor stops rotating even when there is sufficient voltage at its terminals. This condition occurs when the torque required by the load is…

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Which is the most efficient electrical machine?

The most efficient electrical machine is the transformer. Transformers have efficiency above 95%. The autotransformer has an efficiency of close to 98%. The maximum efficiency is achieved under the fully…

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